US3081941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parking control system
Assignee: Crouse Hinds Co
•
Filing: 1960-03-04
•
Granted: 1963-03-19
•
Expires: 1980-03-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Hilliker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:50
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/42; E04H6/422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US90435A
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US1836655A
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US2077924A
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US2482610A
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US2528790A
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US2644150A
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US2947591A
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US2906505A
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US3006549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |